Question

Which of the following sets are equal?(i) A = {x : x is a letter in the word FOLLOW}(ii) B = {x : x is a letter in the word FLOW}(iii) C = {x : x is a letter in the word WOLF}

Answer 1

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HERE'S THE ANSWER ✌
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A={F,O,L,W}(repetition is not allowed)
B={F,L,O,W}
C={W,O,L,F}

All sets have same letters so, all are equal.
A=B=C

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Answer 2

so the sets are,

A={F,O,L,W}

B={F,L,O,W}

C={W,P,L,F}

=

A=B

there are sets are equal